# GetCurrentSize3D(ParticleSystem)

> Calculate the current 3D size of the particle by applying the relevant curves to its startSize3D property.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.ParticleSystemModule

```csharp
public Vector3 GetCurrentSize3D(ParticleSystem system)
```

### Parameters

**** (\[ParticleSystem]\(/engine/6000.6/script-reference/unityengine/particlesystem)): The Particle System from which this particle was emitted.

### Returns

| Type                                                              | Description   |
| ----------------------------------------------------------------- | ------------- |
| [Vector3](/engine/6000.6/script-reference/unityengine/vector3.md) | Current size. |